Optical waveguides inventions 12/07

20070297708 - Technique to enhance the electro-optic coefficient of polymers by using a sol-gel cladding layer to increase poling efficiency: Poling electro-optic polymers on an organically modified sol-gel cladding layer can enhance Pockel's coefficient by up to a factor of 2.5.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297710 - Electro-optical apparatus, method of manufacturing electro-optical apparatus, and electronic equipment: An electro-optical apparatus includes: a first substrate; a plurality of pixels each having an aperture on one surface of the first substrate; a microlens substrate arranged on the side of the other side of the first substrate opposing the one surface and having lens surfaces of microlenses in the respective... Agent: Advantedge Law Group, LLC

20070297711 - Multi-core optical fiber sensor: A multi-core optical fiber sensor is described, which sensor includes an optical fiber having at least two cores, wherein the cores have collocated measurement portions, for example in-fiber interferometers or Bragg grating portions. In an exemplary embodiment, the fiber is provided with collocated measurement portions during fiberization to eliminate drift... Agent: Cantor Colburn, LLP

20070297712 - Optical fiber sensor and method: An optical fiber sensor for detecting curvature of a body/structure comprises a cladding having an outer periphery. A central core receives and transmits light. The central core has Bragg gratings and is positioned in neutral planes of the cladding. Peripheral cores receive and transmit light. The peripheral cores have Bragg... Agent: Ogilvy Renault LLP

20070297713 - Chip-to-chip optical interconnect: A chip-to-chip optical interconnect includes a substrate, an optoelectronic die, and a waveguide structure. The substrate includes an optical via passing through the substrate. The optoelectronic die is disposed on the substrate and aligned to optically communicate through the optical via. A waveguide structure is positioned proximate to the substrate... Agent: Blakely Sokoloff Taylor & Zafman

20070297717 - Optical wireless communication device: An optical wireless communication device mounted in electronic equipment includes: a light-receiving element for receiving an optical communication signal; and a control unit that monitors a received light output of the light-receiving element. When the control unit determines that the received light output represents the optical communication signal, it selects... Agent: Birch Stewart Kolasch & Birch

20070297718 - Temperature-independent optical wavelength identification apparatus and optical wavelength identification method: The distance between an optical diffraction device and a focusing lens, and the coefficient of the focal length change of the focusing lens, are adjusted based on the calculation expression of wavelength identification errors in light of temperature change of a member making up light receiving means (e.g., PD array),... Agent: Staas & Halsey LLP

20070297721 - Fbg sensor system: An FBG sensor system which has a wavelength-tunable light source for emitting light wavelength-swept at a predetermined sweep period, a photodetector for receiving reflected light of measurement light directed to be incident on an optical fiber including an FBC, a processing unit for measuring the wavelength of the reflected light... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20070297724 - Light-emitting funneling apparatus: A light-emitting funneling apparatus comprises a conduit with a pouring end and a discharge end, wherein the pouring end is wider than the discharge end. The light-emitting funneling apparatus also comprises one or more light sources positioned adjacent to a portion of the conduit and configured to illuminate in a... Agent: Haverstock & Owens LLP

20070297723 - Multi-channel fiber optic connector having captive alignment sleeve and single sealing means: A multi-channel fiber optic cable connector is provided for connecting the terminal ends of fiber optic cables utilizing alignment sleeves to align the adjacent termini of optical fibers included within respective ones of the cables. A retention mechanism, a sleeve retainer, secured within the connector, is provided that secures the... Agent: Docket Clerk

20070297725 - Body having staking pin and method of making: A body, such as a connector for use in cable assemblies, includes a staking pin or retaining body inserted and secured within an aperture extending from a first surface to a second surface of the body. A portion of the pin extends through the aperture and beyond one of the... Agent: Docket Clerk

20070297727 - Electronic apparatus: An electronic apparatus includes: a first frame and a second frame that are relatively movable; a frame boundary portion that is provided between the first frame and the second frame; a light emitting portion that is provided on the first frame and transmits an optical signal; a light receiving portion... Agent: Fildes & Outland, P.C.

20070297728 - Anti-reflective optical film: An anti-reflective optical film is provided. The anti-reflective optical film includes a file of optical elements. Each of the optical elements includes: a first planar surface and a second smoothly curved surface having a full internal reflection (FIR) and extending from the first planar surface to form a curved elongated... Agent: Cantor Colburn, LLP

20070297709 - Soi-based opto-electronic device including corrugated active region: The surface silicon layer (SOI layer) of an SOI-based optical modulator is processed to exhibit a corrugated surface along the direction of optical signal propagation. The required dielectric layer (i.e., relatively thin “gate oxide”) is formed over the corrugated structure in a manner that preserves the corrugated topology. A second... Agent: Wendy W. Koba, Esq.

20070297715 - Integrated optical circuits having drop-in locations for optical circuit elements: A plurality of mask images defines an optical circuit image in photoresist. Each of the mask images comprises parts of the optical circuit and the totality of all mask images together defines an optical circuit. The optical circuit is thus made up of plural optical elements some of which may... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070297714 - Neural network demodulation for an optical sensor: Methods and systems of neural network demodulation for an optical sensor. An optical sensor may be coupled to a structure and be capable of reflecting a reflected optical signal. A wavelength of the reflected optical signal may be spread based on a strain being applied to the structure. A replication... Agent: Schwegman, Lundberg & Woessner, P.A.

20070297716 - Reconfigurable photonic delay line filter: A filter apparatus is described that includes an electrical input signal, an optical source, an optical modulator, first and second pluralities of photonic delay lines, an optical switch, a combiner, and a photodetector. The optical modulator is coupled to the electrical input signal and the optical source. The first plurality... Agent: Blakely Sokoloff Taylor & Zafman

20070297719 - Integrated microlens reflector and light coupler: A microlens reflector (200) and light coupler comprises a material transparent to light of a predetermined wavelength bound by an envelope with a curved section (202) and at least two non-parallel flat sections (204, 206), the curved section (202) operative to reflect internally light entering the component through one flat... Agent: Mark M Friedman C/o Bill Polkinghorn

20070297720 - Optical waveguide, optical device, and manufacturing method of the optical waveguide: An optical waveguide has a diffusion area (optical waveguide) with a high refractive index formed by diffusing impurities on a substrate. The diffusion area has a bent portion, and the optical waveguide includes: a groove formed by cutting the substrate along the diffusion area on the outside of the bent... Agent: Staas & Halsey LLP

20070297722 - Two-dimensional photonic crystal resonator: The present invention intends to provide a two-dimensional photonic crystal resonator having a high Q-value. The slab-shaped body 21 is provided with cyclically arranged holes 22. The body 21 is divided into three areas 31-33 with the holes 22 arranged with cycle distances of a1 in area 31 and a2... Agent: Mcdermott Will & Emery LLP

20070297726 - Multi-fiber ferrule and a mold therefore: A ferrule has at least one row of optical fiber openings to hold optical fibers. The ferrule also includes a lead-in portion for each of the optical fiber openings to assist in positioning the optical fibers into the optical fiber openings in the ferrule. The optical fiber openings in the... Agent: Michael L. Leetzow, Esq. Michael L. Leetzow, P.A.

20070297729 - Optical path converting member, multilayer print circuit board, and device for optical communication: A device for optical communication comprising; at least a conductor circuit and an insulating layer formed and laminated, an optical circuit and an optical path for transmitting an optical signal; and an optical element or a package substrate on which an optical element is mounted, wherein an optical path converting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297730 - Optical fiber assemblies having one or more water-swellable members: Disclosed are fiber optic assemblies having at least one optical fiber and at least one water-swellable yarn disposed within a tube that preserves optical performance. Optical performance is preserved by selecting water-swellable yarns for the fiber optic assemblies that are softer and loftier since at least some of the filaments... Agent: Corning Cable Systems LLC

20070297731 - Optical pick-up: It is an object of the present invention to realize stable tracking control even in a structure including an objective lens whose center is offset from a central line extending from the central axis of an optical disk in the direction of the axis along which an optical pick-up is... Agent: Edwards Angell Palmer & Dodge LLP

20070297732 - Efficient nonlinear optical waveguide using single-mode, high v-number structure: Optical waveguide devices characterized by low loss for a fundamental mode and high loss for higher order modes are disclosed. The high loss is sufficiently high that the waveguide is effectively single-moded.... Agent: Joshua D. Isenberg Jdi Patent

20070297733 - Mechanism to increase an optical link distance: A system is disclosed. The system includes an optical fiber and a transceiver coupled to the optical fiber. The transceiver may operate according to both a single mode operation and a multi-mode operation.... Agent: Blakely Sokoloff Taylor & Zafman

20070297734 - Efficient terahertz sources by optical rectification in photonic crystals and metamaterials exploiting tailored transverse dispersion relations: A system and a method for generating terahertz (THz) radiation are provided. The system includes a photonic crystal structure comprising at least one nonlinear material that enables optical rectification. The photonic crystal structure is configured to have the suitable transverse dispersion relations and enhanced density photonic states so as to... Agent: Gauthier & Connors, LLP

20070297735 - Optical fiber containing alkali metal oxide: Disclosed is an optical fiber having a silica-based core comprising an alkali metal oxide selected from the group consisting of K2O, Na2O, LiO2, Rb2O, Cs2O and mixtures thereof in an average concentration in said core between about 50 and 500 ppm by weight, said core further comprising chlorine and fluorine,... Agent: Corning Incorporated

20070297739 - Acoustic waveguide plate: An acoustic (sound or ultrasound) wave transmitter having a plurality of waveguides is described, and a method of making such a transmitter is described. Each waveguide may have a cladded core. The cladded core is capable of transmitting acoustic wave energy from a first end surface to a second end... Agent: Hodgson Russ LLP The Guaranty Building

20070297737 - Optical waveguide device and optical modulator: In an optical waveguide device according to the present invention, a multi-layer cladding which is formed by laminating one or more high refractive index layers having the refractive index higher than that of a core and one or more low refractive index layers having the refractive index lower than that... Agent: Staas & Halsey LLP

20070297736 - Rigid optical laminates and methods of forming the same: An optical article and method or forming an optical article are disclosed. The optical article includes a first rigid optical substrate, a second rigid optical substrates and a self-supporting optical adhesive disposed between the first rigid substrate and the second rigid substrate. The self-supporting optical adhesive includes a cross-linked silicone... Agent: 3m Innovative Properties Company

20070297740 - Encapsulated photonic crystal structures: Photonic crystal structures having a plurality of air columns and coating such structures to provide structures with improved performance are described herein. The coating includes a material that coats an uppermost portion of a photonic crystal structure, wherein the photonic crystal structure comprises a plurality of air columns and wherein... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20070297738 - Optical fiber: The present invention concerns an optical fiber acting as a slab-coupled waveguide. The optical fiber has a cross-section comprising a core (1), which is two dimensional and responsible for the horizontal confinement of the fiber's fundamental mode. A slab (2) is placed in the vicinity of the core (1). The... Agent: Ronald R. Santucci Frommer Lawrence & Haug

20070297742 - Device and method for varying an electromagnetic radiation field in the optical spectral region, particular in a laser radiation field: A device for altering an intensity distribution of a laser radiation field contains two substrates with differing refractive indices and with two opposed, mutually corresponding optical functional boundary surfaces, which are at least partly curved. The laser radiation field for altering can pass serially through the optical functional boundary surfaces,... Agent: Lerner Greenberg Stemer LLP

20070297741 - Method for determining clinical and/or chemical parameters in a medium and device for carrying out said method: A method for determining clinical and/or chemical parameters (S1) in a medium (10), utilizing a laser unit, for emitting coherent light waves (6) and a phototransistor unit, for receiving light waves (8). At least some of the emitted light waves (6) are transferred to the medium (10) and the phototransistor... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070297743 - Cable routing devices with integrated couplers: A fitting for a cable trough system, the fitting including a bottom wall and side walls extending from at least a first terminal end to a second terminal end and forming a trough therebetween, the side walls being curved in a longitudinal direction, and an end portion formed at each... Agent: Merchant & Gould PC

20070297745 - Optical connector: An optical connector comprises four main components, namely a clamp; a housing into which the clamp slides; two optical elements, a transmitter and a receiver; and an EMI metal shield surrounding the elements. The clamp has two parallel through holes for receiving fibre terminations, each through-hole having a generally conical... Agent: Jacobson Holman PLLC

20070297744 - Tactical flexible fibre optic splice enclosure and method of installation: The present invention relates to fibre optics and more particularly to flexible, durable, fibre optic splices, and methods of installing such splices. One embodiment of the invention comprises a fibre optic splice comprising: a flexible central tensile member; a flexible helical wrapping positioned about the flexible central tensile member; and... Agent: Buckingham, Doolittle & Burroughs, LLP

20070297746 - Fiber splicing and gripping device: An optical fiber splicing and gripping device includes a material having first and second members hingedly attached. A gripping region is formed in the material that includes first and second gripping portions disposed on first and second inner portions of each of the members. The material further includes separate first... Agent: 3m Innovative Properties Company

20070297747 - Birefringent structured film for led color mixing in a backlight: An article for use in light spreading includes a body having first and second surfaces, and first and second in-plane axes that are orthogonal with respect to each other and a third axis that is mutually orthogonal to the first and second in-plane axes in a thickness direction of the... Agent: 3m Innovative Properties Company

20070297748 - Frontend baseband digital reverse for a cable modem termination system: The present invention is directed towards monitoring and adjusting a power level of reverse subcarrier signals at an input of an optical node as opposed to at an input of a CMTS blade. Advantageously, reverse subcarrier signals are digitally transmitted throughout the optical link thereby avoiding the use of attenuators... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20070297750 - High resolution, full color, high brightness fully integrated light emitting devices and displays: A light emitting device includes a substrate, at least one semiconductor light emitting device formed in or on the substrate, and upconverting material disposed in or on the substrate. The upconverting material is disposed in a path of light processed or emitted by the semiconductor device. The upconverting material absorbs... Agent: Akerman Senterfitt

20070297749 - Transceiver test module employing an optical wrap: A transceiver test module and method for testing an optical transceiver. An optical wrap interconnects the optical transmitter and optical receiver of an optical transceiver. A processor system reads information from an optical transceiver; provides a signal to the optical transceiver to operate the optical transceiver to transmit a signal... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20070292070 - Optical switch: Reflection means such as a mirror are provided on the output end of an optical fiber, and the input signal light and control light are returned to the optical fiber. Although the zero-dispersion wavelength of the optical fiber fluctuates in the longitudinal direction, if the length is relatively short, it... Agent: Staas & Halsey LLP

20070292074 - Optically controlled silicon carbide and related wide-bandgap transistors and thyristors: An optically active material is used to create power devices and circuits having significant performance advantages over conventional methods for affecting optical control of power electronics devices and circuits. A silicon-carbide optically active material is formed by compensating shallow donors with the boron related D-center. The resulting material can be... Agent: Dla Piper US LLP Attn: Patent Group

20070292075 - Silicon modulator offset tuning arrangement: A silicon-based optical modulator structure includes one or more separate localized heating elements for changing the refractive index of an associated portion of the structure and thereby providing corrective adjustments to address unwanted variations in device performance. Heating is provided by thermo-optic devices such as, for example, silicon-based resistors, silicide... Agent: Wendy W. Koba, Esq.

20070292072 - Solder alloys: Lead-free solder compositions for bonding and sealing flat panel displays, CCD's, solar cells, light emitting diodes, and other optoelectronic devices are disclosed. The solders are based on alloys of Sn, Au, Ag, and Cu and one or more rare earth metals chosen from the following, Y, La, Ce, Pr, Sc,... Agent: John F. Bohland

20070292076 - Plasmon gate: A variety of structures, methods, systems, and configurations can support plasmons for logic.... Agent: Searete LLC Clarence T. Tegreene

20070292078 - Wavelength division multiplexing optical monitor: A wavelength division multiplexing optical monitor has optical fiber connectors disposed at opposite ends thereof, an optical fiber that extends between the optical fiber connectors at the opposite ends and on which a fiber grating is formed that disperses part of the light transmitted in the optical fiber, a ferrule... Agent: Staas & Halsey LLP

20070292079 - Tunable optical dispersion compensators: A tunable optical dispersion compensator includes an optical input port, an input variable optical coupler, at least two optical dispersion paths, an output variable optical coupler, and an optical output port. The input variable optical coupler is coupled to selectively split portions of the optical signal received from the optical... Agent: Blakely Sokoloff Taylor & Zafman

20070292080 - Plasmon switch: A variety of structures, methods, systems, and configurations can support plasmons for logic.... Agent: Searete LLC Clarence T. Tegreene

20070292087 - Apparatus and method for diffusing laser energy that fails to couple into small core fibers, and for reducing coupling to the cladding of the fiber: A fiber optic connector for coupling focused radiant energy from a laser to a fiber optic conductor includes one or more diffusers and/or one or more internal heat sinks for diffusing radiant energy so as to and thereby minimize damage to the connector.... Agent: Bacon & Thomas, PLLC

20070292069 - Optical resonator, optical modulator, optical frequency comb generator, optical oscillator and method of preparing optical oscillator: An optical resonator includes a waveguide (12) formed by using an incidence side reflection film (93) and an emission side reflection film (94) arranged in parallel with each other and adapted to resonate light entering it by way of the incidence side reflection film (93) and adapted to propagate light... Agent: Haverstock & Owens LLP

20070292071 - Isolated sensor housing: Disclosed is a sensor housing having a flexible sensor tube containing a transmission fluid and having sealed ends, and an optical sensor connected to an optical fiber. The optical sensor is adapted to measure a pressure of a fluid and this pressure is communicated to the flexible sensor tube, so... Agent: The H.t. Than Law Group

20070292073 - Circuit architecture for electro-optic modulation based on free carrier dispersion effect and the waveguide capacitor structures for such modulator circuitry using cmos or bi-cmos process: New circuit architecture for electro-optic modulator based on free-carrier dispersion effect is invented, in which the waveguide capacitor of the modulator is embed in the circuits and physically layout together with transistors, the switching of the modulator occurs in transistors, and as the result, the electro-optical modulation occurs in the... Agent: Bing Li

20070292077 - Beam steering element with built-in detector and system for use thereof: An all-optical cross-connect switching system provides optical switching that may reduce processing requirements by three orders of magnitude over conventional techniques by associating at least one optical detector with an optical beam steering element. In one embodiment, a first beam steering element, having a reflective surface in optical association with... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20070292081 - Optical connector and optical module: An optical waveguide or first optical fiber whose one end optically connects with a light exit plane and/or light incidence plane of an optical element and whose other end optically connects with an second optical fiber and a connector for mechanically connecting the optical waveguide or the first optical fiber... Agent: Sughrue Mion, PLLC

20070292082 - Optical connector assembly: Optical connector assemblies suitable for use in harsh environments such as down hole oil and gas well applications and methods for fabricating the same are provided. In one embodiment, an optical connector assembly suitable for down hole oil field applications comprises a first and second optical waveguide urged by a... Agent: Patterson & Sheridan, L.L.P.

20070292084 - Connector for jacketed optical fiber cable: An optical connector which is suitable for connection to jacketed cable includes a housing and a ferrule assembly. The ferrule assembly includes a front portion having a first geometry, and the housing includes a receiving portion having a second geometry that mates with the first geometry to prevent rotation of... Agent: Tyco Electronics Corporation

20070292083 - Expanded beam connector concepts: A terminus for a fiber optic cable includes a ferrule. An optic fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. Preferably, the... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070292085 - Non-halogen fiber optic connectors: A connector includes component parts, such as a strain relief boot or a grip, formed of a non-halogen polymer. The non-halogen polymer is preferably fungus resistant, lead free, and flame resistant. In a preferred embodiment, the non-halogen polymer is flexible and formed of a thermoplastic vulcanizate elastomer (TPVE), which may... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070292086 - Hard coating on rugged vee groove connectors: A fiber optic connection is formed by a first connector including a first bench and a second connector. The first bench includes a first lens, an optical fiber in optical communication with the first lens, and a resting area. The first lens is attached to the first bench by an... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070292088 - Illuminating apparatus and image sensing system including illuminating apparatus: An illuminating apparatus includes a light source including a cylindrical light-emitting tube, a first optical system, a second optical system, and a third optical system. The first optical system has an incident surface on which light emitted from the light source to the object side are incident and an emergent... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070292089 - Optical article having antistatic hardcoat layer: Disclosed herein is an optical article that may be used to protect the exposed viewing surface of a display device. The optical article comprises: a light transmissive substrate; and a hardcoat layer disposed on the light transmissive substrate, the hardcoat layer comprising: a (meth)acrylate-functionalized metal oxide having an average particle... Agent: 3m Innovative Properties Company

20070292090 - Low reflection lateral output fiber probe: A system and method which integrates a mirror at the fiber tip to the fiber tip and uses a tilted flat at the exit plane to prevent astigmatism caused by the cylindrical curvature of the fiber wall and minimize reflection.... Agent: Pepper Hamilton LLP

20070292091 - Optical waveguide, method of manufacturing the same and optical communication module: An optical waveguide includes: a lower substrate; a waveguide core that is formed on the lower substrate; a clad that is formed to surround a periphery of the waveguide core; and an upper substrate that is opposed to the lower substrate, wherein the waveguide cores, the lower substrate and the... Agent: Oliff & Berridge, PLC

20070292092 - Optical fiber cleaver: An optical fiber cleaver having a main body having a channel, a feed block attached to the main body in the channel, the feed block being operable between a front position and a rear position, a length selector for setting an optical fiber cleaving length, the length selector comprising a... Agent: Barley Snyder, LLC

20070292094 - Optical module and holder for optical module: An optical module includes: an optical plug that supports one end of an optical fiber; a receptacle unit that has an optical element and optically couples the optical fiber and the optical element; a holder having a through hole for passing the optical fiber and a housing section that contains... Agent: Oliff & Berridge, PLC

20070292093 - Self-supported optical correlator: A self-supported optical correlator has a first holder having two opposite ends, one of the opposite ends being provided with anchor points, the other end being provided with a light source. The correlator also has a second holder having two opposite ends, one of which is provided with anchor points,... Agent: Merchant & Gould PC

20070292095 - Fixing board and polishing device using the same: A fixing board and a polishing device using the same are provided. The fixing board attached to the non-semiconductor substrate includes a soft film and several films. The films are disposed on part of the soft film and substantially corresponding to a first surface of the non-semiconductor substrate.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070292097 - Feedthrough of submarine repeater and submarine repeater: A disclosed feedthrough of a submarine repeater for introducing a tail cable connected to a submarine cable having a transmission line and a feed line into said submarine repeater includes: a tail cable introduction unit having an insulator for internally installing said transmission line and said feed line, said tail... Agent: Katten Muchin Rosenman LLP

20070292096 - Rugged expanded beam connector: A multi channel connector includes a first connector housing and a mating second connector housing. The first connector housing includes a plurality of first termini, each first terminus resting upon a respective bench or within a respective channel. The second connector housing loosely holds a plurality of second termini. In... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070292098 - Cover for optical fibers and/or optical devices: Apparatus and methods are provided for controlling a light emission from an end of an optical fiber by utilizing a cover that blocks the light emission at the fiber end, a detector situated between the fiber end and the cover that detects the blocked emission, and a signaling device, such... Agent: Verizon Patent Management Group

20070292099 - Expanded beam optical attenuator: An attenuator for optical signals includes a base. A first ferrule has a first optic fiber passing through a central bore therein and attached to a first lens at an end of the first ferrule. The first ferrule is fixed in position relative to the base. A second ferrule has... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070292100 - Illuminating apparatus and surface inspection system using illuminating apparatus: At least one exemplary embodiment is directed to an illuminating apparatus, configured to uniformly illuminate a surface of an object, and includes a light-guiding member configured to guide light emitted from a source to a surface to be illuminated, and a reflecting member disposed between the light-guiding member and the... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070292101 - Lighting or signalling device having an optical guide for a motor vehicle: A lighting and/or signalling device, in particular for a motor vehicle, comprising at least one light source emitting light rays and at least one optical guide in which the light beam spreads, the at least one optical guide comprising at at least one of its ends an input face coupling... Agent: Matthew R. Jenkins, Esq.

20070286545 - Waveguide-type optical device: In the present invention, for example with regards to a Mach-Zehnder type LN modulator which uses a Z-cut LN substrate, by providing a step by forming an etching part on the surface of the LN substrate, and forming an optical waveguide so as to position a pair of branching waveguides... Agent: Staas & Halsey LLP

20070286550 - Light emitting unit, apparatus and method for manufacturing the same, apparatus for molding lens thereof, and light emitting device package thereof: A light emitting unit, an apparatus and method for manufacturing the same, an apparatus for molding a lens thereof, and a light emitting device package thereof, which are capable of achieving an enhancement in light extraction efficiency and an improvement in mass productivity, are disclosed. The light emitting unit manufacturing... Agent: Birch Stewart Kolasch & Birch

20070286556 - Position sensor: A hinge position sensor comprises first and second members connected together to provide a hinge, and an optical fibre or wave-guide connected between the first and second members to provide a communication link between the first and second members. A laser or LED is coupled to the optical fibre or... Agent: Banner & Witcoff, Ltd.

20070286547 - Distributed optical fiber sensor with controlled response: Distributed fiber optic chemical and physical sensors provide a relatively highly uniform response over the length of the fiber by, for example, varying such properties as the core/cladding index of refraction ratio to compensate for the non-linearity in sensitivity due for example to the loss of higher order modes in... Agent: Lawrence S. Cohen Intelligent Optical Systems, Inc.

20070286546 - Surface initiated thin polymeric films for chemical sensors: Surface active sensors comprising imprinted functional polymer matrices tailor made to detect specific chemical species of interest, and a label free, surface initiated molecular imprinting technology for applications in surface active sensors are provided.... Agent: David S Harper Mcdonnell Boehnen Hulbert & Berghoff

20070286548 - Micro-optic adapters and tips for surgical illumination fibers: A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery devices for customized light delivery of the light energy. The incorporation of precision micro structure optical components in injection molded plastic or... Agent: Crockett & Crockett Suite 400

20070286549 - Optical transmitting /receiving module: An optical transmitting and receiving module, with which there is no need to provide a submount for disposing a photodiode on a substrate and with which spatial restrictions can be made small, is provided. An optical transmitting and receiving module 1 has a light transmitting substrate 10. A filter groove... Agent: Drinker Biddle & Reath (dc)

20070286551 - All-optical phase, wavelength, and polarization-insensitive wavelength converters: An all-optical device for wavelength conversion, reshaping, modulating, and regenerating. The device includes a splitting device having first, second, third, and fourth terminals and a nonlinear element. The third and fourth terminals are associated with an optical loop including the nonlinear element when the nonlinear element is displaced from the... Agent: David Pressman, Esq.

20070286552 - Structure comprising an adiabatic coupler for adiabatic coupling of light between two optical waveguides and method for manufacturing such a structure: A structure comprises an inner strip waveguide (1) and an outer rib waveguide (2) on a common substrate. The thicker inner waveguide (1) is patterned into an inner core layer (3). The thinner outer waveguide (2) is patterned into an outer core layer (4). The inner and outer waveguides are... Agent: Ronald R. Santucci Frommer Lawrence & Haug

20070286553 - Optical transceiver with an fpc board connecting an optical subassembly with a circuit board: The specification discloses an optical transceiver that provides a FPC board to electrically connect the OSA with the circuit board. The FPC board provides pads to be connected with corresponding pads formed on the circuit board and at least one opening in adjacent to the pads. In the present invention,... Agent: Venable LLP

20070286554 - Reversible fiber optic connector: A re-terminable, no-crimp ST-type optical connector assembly includes a spring-loaded ferrule holder assembly and a reusable activation system for termination of the assembly. The optical connector can be terminated by a suitable cam activation tool. The connector includes a housing, such as a bayonet, matable to a mating adapter, a... Agent: Panduit Corp.

20070286555 - Connector system for optical wave guides: An optical connector system joining waveguides in two printed circuit boards. A flexible optical conductor is connected at one end to one of the boards. The flexible conductor includes at its free end an alignment structure that provides a separable, low loss interface to an alignment structure coupled to the... Agent: Blank Rome LLP

20070286558 - Method and apparatus for multi-directional fiber optic connection: A method and apparatus are disclosed that permit multi-directional fiber optic connections to a device. The multi-directional aspect of the fiber optic connections permit the connections to be aligned closely with the direction of travel of the fiber optic cables that interface with the device. Closely aligning the fiber optic... Agent: Attn: Steven C. Bruess Merchant & Gould P.C.

20070286557 - Optical part holding unit: The fitting between a cross-sectionally noncircular-shaped rectangular convex portion 8a and a rectangular hole and the fitting between a cross-sectionally circular-shaped circular convex portion 11a and a circular hole, which surround or form opening portions 22a and 22b for allowing passage of light, guide adjacent optical component holding units 35... Agent: Drinker Biddle & Reath (dc)

20070286559 - Gain flattening utilizing a two-stage erbium-based amplifier: An optical amplifier is disclosed having a substantially uniform spectral gain. In an exemplary embodiment, the optical amplifier comprises a planar waveguide including a substrate, which includes a region doped with rare earth element. The optical amplifier also comprises an optical fiber including a core doped with the rare earth... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070286560 - Optical connection method and optical transmission apparatus:

20070286561 - Multi-core distributed temperature sensing fiber: A multi-core distributed temperature sensing optical fiber is described, wherein the arrangement and construction of at least two cores provides a spectral attenuation corrected (e.g., corrected for hydrogen and/or stress on the fiber) temperature measurement.... Agent: Cantor Colburn, LLP

20070286562 - Ultra thin radiation management and distribution systems with hybrid optical waveguide: A thin-profile, optically efficient lighting device for use with, among other things, flat information displays, includes a combination of three optically coupled light propagating structures, fabricated of electromagnetic flux transmitting materials. The first structure may be a generally elongated optical pipe adapted to receive light from at least one light... Agent: Kenneth M. Massaroni

20070286563 - Activation tool for a fiber optic connector: An activation tool used to terminate a pre-polished, no-crimp fiber optic connector. The tool holds and positions a suitable fiber optic connector, such as an ST-type Opti-Cam connector. A lever on the tool activates a connector cam mechanism to effectuate termination of the fiber. The tool includes a base that... Agent: Panduit Corp.

20070286564 - Optical fiber access tool: A tool and method for accessing fibers within an optical fiber cable is provided. The tool can be used to access optical fibers within buffer tubes held in distribution cables. The tool works well even when the buffer tubes to be accessed are held tightly within distribution cables. In one... Agent: Merchant & Gould PC

20070280578 - Optical interconnect apparatuses and electro-optic modulators for processing systems: Disclosed are optical modulators that provide high-speed modulation capability and compact size. In exemplary modulator embodiments, the branch waveguide cores are formed in different processing layers than the input waveguide core, and light is coupled from an input waveguide core to two branch waveguide cores along diagonal directions. The construction... Agent: Sheppard, Mullin, Richter & Hampton LLP

20070280580 - Optical device: Optical waveguides (A) and (B) of a Mach-Zehnder modulator is normally formed on a −Z plane as an electric polarization non-inversion area. However, when the signal electrode 11 and the ground electrode 10 are provided asymmetrically on two waveguides, chirp occurs in output light, which is undesired. Therefore, these electrodes... Agent: Staas & Halsey LLP

20070280584 - Multi-core optical fiber pressure sensor: A multi-core optical fiber pressure sensor is described, which sensor includes an optical fiber having at least two cores, wherein the cores have collocated measurement portions, for example in-fiber interferometers or Bragg Grating portions. In an exemplary embodiment, the fiber is arranged such that a pressure induced force will act... Agent: Cantor Colburn, LLP

20070280586 - Optical device wafer, and optical device chip and method for manufacturing the same: An optical device wafer includes: a plurality of chip regions; and at least one connecting section, wherein the chip region includes a first semiconductor layer of a first conductivity type, an optical layer that emits light or receives light formed above the first semiconductor layer, a second semiconductor layer of... Agent: Harness, Dickey & Pierce, P.L.C

20070280591 - Optical network test access point device: An optical network test access point (“TAP”) device. In one example embodiment, an optical network TAP device includes a printed circuit board and a plurality of optical receiver modules. The printed circuit board includes a microprocessor, a multiplexer connected to the microprocessor, and a plurality of post amplifiers connected to... Agent: Workman Nydegger

20070280594 - Photoelectric composite module and optical input/output device: A photoelectric composite module has an optical device, a package and a flexible printed circuit that is set along both case parts of the package, and electric wiring for the optical device is formed thereon. The package has a first case part and a second case part that is connected... Agent: Foley And Lardner LLP Suite 500

20070280595 - Hybrid transmission-reflection grating: A hybrid transmission-reflection grating includes an array of essentially parallel principal interfaces, with each principal interface separating a first medium and a second medium. The first medium has a first index of refraction, and the second medium has a second index of refraction. The first medium allows for transmission of... Agent: Gauthier & Connors, LLP

20070280596 - Method and system for writing fiber bragg grating having apodized spectrum on optical fibers: This invention relates to a method and a system for writing fiber Bragg gratings (FBG) having apodized spectrum (“apodized FBG”) on optical fibers. An amplitude modulation mask is placed between a focusing cylindrical lens and the optical fiber. By reducing the distance between the amplitude mask and the fiber, the... Agent: Brouillette & Partners

20070280597 - Multi-port coupler, optical amplifier, and fiber laser: A multi-port coupler for coupling an pumping light source to a cladding pump fiber for optical amplification, includes a central signal fiber and a plurality of pumping fibers arranged around the central signal fiber, the central signal fiber and the plurality of pumping fibers being unified and a front side... Agent: Sughrue Mion, PLLC

20070280603 - Electro-optical composite connector: An electro-optical composite connector includes a receptacle connector including a receptacle housing to be mounted on a first board, a receptacle shell for covering the receptacle housing, and a receptacle terminal arranged on the receptacle housing; and a plug connector including a plug housing for holding an optical fiber, a... Agent: Takeuchi & Kubotera, LLP

20070280604 - Cageless, pluggable optoelectronic device which enables belly-to-belly layouts: The device includes a housing, a printed circuit board, a first optical subassembly, a second optical subassembly, and a lever. The device is pluggable to a host structure. The housing has a flange. The printed circuit board is mounted to the housing. The first and second optical subassemblies are mounted... Agent: Karl D. Kovach, Esq. Stratos International, Inc.

20070280606 - Optical module for a host optical device: Optical modules for use with a host system. In one example embodiment, a method for tapping an optical network includes connecting one or more optical modules to a host device, providing one or more post amplifiers, and controlling each of the one or more optical modules and the one or... Agent: Workman Nydegger

20070280607 - Short chain-like ferrule structure, chain-like ferrule structure and method of producing chain-like ferrule structure: A short chain-like ferrule structure 15 includes a plurality of ferrules 2, and an interconnecting portion 16 interconnecting the plurality of ferrules 2. This ferrule structure includes a connection portion 20 provided at that portion of the interconnecting portion 16 projecting from the ferrule 2 disposed at one end portion... Agent: Sughrue-265550

20070280608 - Optical component: The optical component according to the present invention includes a fixed member including a through hole, and a wavelength conversion member having at least one part thereof arranged in the through hole, where the fixed member is formed with a cut-in part or a hole part in a direction substantially... Agent: Kubovcik & Kubovcik

20070280609 - Optical element driving apparatus: At least one exemplary embodiment is directed to an optical element driving apparatus which includes a first actuator configured to drive an optical element in accordance with a deformation target value, a sensor arranged to measure a position and an orientation of the optical element, a second actuator configured to... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070280576 - Distributed amplifier optical modulators: High speed optical modulators can be made of k modulators connected in series disposed on one of a variety of semiconductor substrates. An electrical signal propagating in a microwave transmission line is tapped off of the transmission line at regular intervals and is amplified by k distributed amplifiers. Each of... Agent: Knobbe Martens Olson & Bear LLP

20070280577 - Optical multi-wavelength modulator: The present invention is an optical modulator. It is fit for various wavelengths. The present invention has a logic signal of ‘0’ with a high signal level. The present invention has a high resist to noise. The present invention has advantages of a short length and a thin width to... Agent: Troxell Law Office PLLC

20070280579 - Attenuating counter-propagating optical phase modulation: An attenuating counter-propagating (ACP) optical phase modulator introduces zero propagation delay. An optical field is modulated by an electromagnetic field. Within the ACP modulator, the optical field is propagated in an opposite direction to the propagation direction of the electromagnetic field. The electromagnetic field is attenuated within the ACP modulator.... Agent: Woodcock Washburn LLP

20070280582 - Method and system for adjusting the sensitivity of optical sensors: A method and a system for adjusting the sensitivity of an optical sensor are provided. A first beam of light in an optical fiber is separated into first and second portions propagating therethrough at a first speed. A second beam of light is directed into the optical fiber to interact... Agent: Honeywell International Inc.

20070280581 - Optical pressure measuring apparatus: An apparatus comprising an optical cavity for measuring an applied force or pressure, wherein an applied force or pressure is measured or monitored by measuring deformation of said optical cavity when subject to said applied force or pressure.... Agent: Buchanan, Ingersoll & Rooney PC

20070280583 - Fiber optic force sensor for measuring shear force: A fiber optic force sensor for measuring shear force, comprising an optical fiber comprising at least one fiber core having a fiber optical axis, a Bragg grating being formed in a portion of the at least one fiber core of the optical fiber and having a grating optical axis coaxial... Agent: Foley & Lardner LLP

20070280588 - Optical module, method of manufacturing the optical module, and data communication system including the optical module: An optical module includes a fiber array, a laser diode array and a photodiode array. The fiber array has optical fibers which are divided to a transmitter group and a receiver group. The laser diode array has laser diodes which are grouped in a transmitter group. The photodiode array has... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280585 - Optical wiring board and method for manufacturing optical wiring board: An optical wiring substrate that enables positioning of light emitting elements and photodetecting elements with respect to optical waveguides to be readily carried out is provided. An optical wiring substrate 1 has a substrate 10. On the substrate 10, a plurality of recessed portions 12 are formed and optical waveguides... Agent: Drinker Biddle & Reath (dc)

20070280587 - Semiconductor device and semiconductor device manufacturing method: A semiconductor device is provided and includes a substrate, a photoelectric converting portion, a plurality of optical waveguide portions stacked above the photoelectric conversion portion, each of the plurality of optical waveguide portions including a translucent material and being shaped in a taper.... Agent: Birch Stewart Kolasch & Birch

20070280589 - Optical steering element and method: A 1×N wavelength selective switch which can function as a dynamic channel equalizer when N=1. In an exemplary arrangement, the present invention is a free-space device that includes a linear array of micromachined reflective elements for beam steering of individual wavelength channels. In at least some embodiments the array of... Agent: Morrison Ulman WoodsideIPGroup

20070280590 - Optical steering element and method: A 1×N wavelength selective switch which can function as a dynamic channel equalizer when N=1. In an exemplary arrangement, the present invention is a free-space device that includes a linear array of micromachined reflective elements for beam steering of individual wavelength channels. In at least some embodiments the array of... Agent: Morrison Ulman WoodsideIPGroup

20070280592 - Photonic crystal coupling defect waveguide and photonic crystal: A photonic crystal directional coupler composed of at least two linear defect waveguides introduced into a photonic crystal. The medium constant and the lattice constant of the photonic crystal at the photonic crystal directional coupling part, the sizes and shapes of the elements constituting the periodical structure of the photonic... Agent: Rader Fishman & Grauer PLLC

20070280593 - High contrast edge-lit signs and images: Various embodiments are described that provide a techniques to produce sharp, high contrast, edge enhanced images using edge-lit displays. The edge-lit displays may comprise extractor pattern painted, etched or molded on a light guide. The extractor pattern may be determined from an edge-enhanced input pattern and modified iteratively to produce... Agent: Knobbe Martens Olson & Bear LLP

20070280599 - Optical fiber plug connector: The invention relates to an optical fibre plug connector, comprising at least one pair of plug connectors and a coupling, whereby each plug connector comprises a ferrule, each two ferrules of a pair of plug connectors are detachably guided and aligned together within a guide sleeve and the coupling has... Agent: Merchant & Gould PC

20070280600 - Optical printed circuit board blank, a kit and a method of making an optical printed circuit board: The present invention provides an optical printed circuit board blank, comprising, a support layer; one or more optical waveguides formed thereon; and at least one socket for receiving an optical component, the socket including one or more alignment features to ensure alignment of an input/output interface of the said optical... Agent: Pillsbury Winthrop Shaw Pittman, LLP Eric S. Cherry - Docketing Supervisor

20070280601 - Fiber bragg grating sensor interrogator and manufacture thereof: The invention discloses multi-channel fiber Bragg grating (FBG) interrogation systems and manufacture thereof. The multi-channel fiber Bragg-grating sensor interrogation unit comprises at least one integrated optic sensor microchip and a signal processing IC-electronics unit in a miniaturized, telecommunications standard, hermetically sealed 2-cm×5-cm SFF single fiber package.... Agent: Howard R. Popper & Assoc

20070280602 - Method for manufacturing an optical module: The invention provides a method for manufacturing a optical subassembly even when the assembly involves the positional deviation of the components that induces the discrepancy in the direction of the optical output beam from the optical device. The method first determines the position (x1, y1, z1) of the stub where... Agent: Venable LLP

20070280605 - Fiber bragg grating sensor interrogator and manufacture thereof: The invention discloses multi-channel fiber Bragg grating (FBG) interrogation systems and manufacture thereof. The multi-channel fiber Bragg-grating sensor interrogation unit comprises at least one integrated optic sensor microchip and a signal processing IC-electronics unit in a miniaturized, telecommunications standard, hermetically sealed 2-cm×5-cm SFF single fiber package.... Agent: Howard R. Popper & Accoc.

20070280610 - Hybrid cables for communication networks: Hybrid cables for communication networks are disclosed. An example cable includes a plurality of electrical conductors disposed along a central axis of the cable. The plurality of electrical conductors includes a first twisted pair cable in a twisted configuration with a second twisted pair cable. The cable also includes a... Agent: Hanley, Flight & Zimmerman, LLC

20070280611 - Grooved jacket for undersea cable and method for manufacturing the same: A cable and system for manufacturing the same is provided. The cable includes a core communications medium and an outer jacket surrounding the core communications medium. A plurality of grooves are in the outer surface of the outer jacket. Each of the grooves has a recess and an opening to... Agent: Steptoe & Johnson LLP

20070280612 - Method and apparatus for fiberscope: The disclosure generally relates to a method and apparatus for a fiberscope. In one embodiment, the disclosure relates to a chemical imaging fiberscope for imaging and collecting optical spectra from a sample having at least one illumination fiber for transmitting light from a first an a second light source to... Agent: Duane Morris, LLP

20070280613 - Method of designing optical pulse shaping device and optical pulse shaping device: The present invention provides a method for designing an optical pulse shaper including a first optical propagation line unit having a nonlinear medium and a dispersion medium concatenated, including: specifying design specifications of the first optical propagation line unit; and based on the design specification, calculating a quasi-periodic stationary pulse... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280614 - Scanning apparatus and endoscope: An endoscope includes a generally cylindrical optical waveguide, an light source emitting a laser beam, and a generally annular photodiode. The optical waveguide is provided at the distal end of the endoscope. The light source is on or near the center axis of the optical waveguide for emitting a laser... Agent: Greenblum & Bernstein, P.L.C

20070280615 - Single-mode optical fiber: Disclosed is an optical transmission fiber having reduced bending and microbending losses that is commercially usable in FTTH or FTTC transmission systems.... Agent: Summa, Allan & Additon, P.A.

20070280616 - Ultra low-loss cmos compatible silicon waveguides: A low loss optical waveguiding structure for silicon-on-insulator (SOI)-based arrangements utilizes a tri-material configuration including a rib/strip waveguide formed of a material with a refractive index less than silicon, but greater than the refractive index of the underlying insulating material. In one arrangement, silicon nitride may be used. The index... Agent: Wendy W. Koba

20070280617 - Refractive index matching tape adhering device: A refractive index matching tape adhering device easily handles a refractive index matching film. The adhering device has a refractive index matching tape adhering portion which can be adhered by stretching the refractive index matching tape. In the adhering device having a refractive index matching tape supplying portion, a refractive... Agent: Oliff & Berridge, PLC

20070280618 - Fiber transitioning: A telecommunications system includes a first fiber management apparatus having a rear-trough architecture, a second fiber management apparatus having a front-access architecture, and a transition panel interposed between the first and second fiber management apparatuses, to transition fibers from the rear-trough architecture of the first fiber management apparatus to the... Agent: Lee & Hayes, PLLC

20070280619 - Multi-directional optical splice organizer: A multi-directional splice organizer for attachment to an optical fiber splice tray, the splice organizer including a base and a plurality of guide studs arranged in a predetermined pattern to form splice channels for receiving, maintaining and routing optical fibers and optical splices there through. A splice organizer that allows... Agent: Corning Cable Systems LLC

20070280620 - Optical fiber holding apparatus and fiber laser processing apparatus: One end of an optical fiber for oscillation is held in a holding groove having a V-shaped section, which holding groove is formed on the upper face of a lower block. On an upper block, a slit is formed in the place that is counter to the holding groove of... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070280621 - Fiber optic cable assembly with integrated compressing member for strain relief: A pre-terminated cable assembly includes: a fiber optic cable comprising a plurality of optical fibers surrounded by a polymeric jacket; the jacket including a transition region, wherein the plurality of optical fibers is broken out into fiber subunits on one side of the transition region; a sleeve fixed to the... Agent: Myers Bigel Sibley & Sajovec

20070280622 - Fluorescent light source having light recycling means: A light guide and a projection system incorporating same are disclosed. The light guide includes a material that is capable of emitting light of a second wavelength when illuminated with light of a first wavelength where the first wavelength is different from the second wavelength. The light guide further includes... Agent: 3m Innovative Properties Company

20070280623 - Light integration rod: A light integration rod including a first flat Plate, a second flat plate opposite to the first flat plate, a first folded plate and a second folded plate opposite to the first folded plate is provided. The first and the second folded plates are respectively connected between the first and... Agent: J C Patents, Inc.

20070280624 - Solid state light emitting device and method of making same: There is provided a solid state light emitting device comprising at least one light emitting active layer structure and at least one structure selected from among: (1) a first element having at least a first region which has an index of refraction gradient, (2) a first element, at least a... Agent: Burr & Brown

20070280625 - Optical member support mechanism, optical device, and gap adjusting member: An l1 lens and an L2 lens are aligned along an optical axis of a zoom lens device, and are held on a fixed lens holding frame. The fixed lens holding frame is mounted on a second mirror cylinder that has a mounting surface facing the fixed lens holding frame... Agent: Foley And Lardner LLP Suite 500

20070280626 - Optical rangefinder for an electro-active lens: Several devices for determining a distance of an object a user of an electro-active lens is looking at are presented. Once the distance is determined, the devices may alter the optical power of the electro-active lens to ensure that the object is correctly focused. Optical range finding is a possible... Agent: Pearl Cohen Zedek Latzer, LLP